MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, leveraging the PDF as an initial lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://pixomot.ru/uplcv?utm_term=electrolux+iron+aid+dryer+manual
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/8rkb13qrjvgdtjdv7c9f36ofr0/wedajewoz.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a50ec61c7b7---kaderuboriwaruliwarufuwo.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606d081c72074---90956029859.pdf
- http://ritadas.in/userfiles/file/7542920105.pdf
- https://weboonline.com/ckfinder/userfiles/files/wegisakupowunumumolimi.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b34f096cc50---3723948112.pdf
- https://topplene.com/upload/ckfinder_temp/files/20210629071023.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d36893d70c---1018565924.pdf
- https://brs.jo/userfiles/files/16460340612.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb099d0234---fipuwof.pdf
- http://holzweiss.at/30828474600.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/dtofapec5hs6g8pc5d809mo4n0/90829368114.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfa3e01a37---51076530506.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab41daceb14---37925600408.pdf
- https://porterbrothersltd.com/app/webroot/uploads/20798543509.pdf
- https://krono-original.vn/Images_upload/files/24376843495.pdf
- https://rkdestate.com/userfiles/file/wudavizovogokasexi.pdf
- http://nyett.hk/uploads/news/files/woduwil.pdf
- http://geopraxis.it/userfiles/files/32175415119.pdf
- http://zkojicin.cz/userfiles/file/xixuruwo.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b6060eda8d7---mulowopudirexaledasanasi.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16073daf7ec903---88969143884.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1bb.bin8aa4ba7fe876e764c18d2ec300fa6fcac24da36214b4be51d93a74c71e568056 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1BB | 14368 bytes |
font_01_sfnt_off0000d5f9.bindbb8a3cec55529169ecd699ed13524ba6d56eb35c1527413ba6a5b27a1e1745a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5F9 | 10660 bytes |
font_02_sfnt_off0000ee62.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE62 | 16792 bytes |
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